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Finding the Fourth Proportional to 7,080.44, 9,771.01 and 3,893.79

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Solution

The fourth proportional to 7,080.44, 9,771.01 and 3,893.79 is: 5,373.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.44 : 9,771.01 = 3,893.79 : x
  2. Step 2: Convert to fraction form
    7,080.44/9,771.01 = 3,893.79/x
  3. Step 3: Cross multiply
    7,080.44x = 9,771.01 × 3,893.79
  4. Step 4: Simplify right side
    7,080.44x = 38,046,261.03
  5. Step 5: Solve for x
    x = 38,046,261.03/7,080.44
  6. Step 6: Final answer
    x = 5,373.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.